Microsoft .NET Lets Remote Users Deny Service and Local Users Bypass UMCI Policy
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SecurityTracker Alert ID: 1040851 |
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SecurityTracker URL: http://securitytracker.com/id/1040851
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CVE Reference:
CVE-2018-0765, CVE-2018-1039
(Links to External Site)
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Date: May 8 2018
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Impact:
Denial of service via network
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): 2.0 SP2, 3.5, 3.5.1, 4.5.2, 4.6; .NET Core 2.0
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Description:
Two vulnerabilities were reported in Microsoft .NET. A remote user can cause denial of service conditions on the target system. A local user can bypass security restrictions.
A local user can run a specially crafted application to exploit an object instantiation flaw in .Net Framework and bypass Device Guard User Mode Code Integrity (UMCI) policy on the target system [CVE-2018-1039].
A remote user can send specially crafted requests to the target application to trigger an XML document processing flaw in .NET and .NET Core and cause denial of service conditions on the target .NET application [CVE-2018-0765].
James Forshaw of Google Project Zero reported one of vulnerability.
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Impact:
A remote user can cause denial of service conditions.
A local user can bypass security controls on the target system.
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Solution:
The vendor has issued a fix.
The Microsoft advisories are available at:
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0765
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-1039
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Vendor URL: portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-1039 (Links to External Site)
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Cause:
Access control error, Not specified
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Underlying OS: Windows (2008), Windows (2012), Windows (2016), Windows (7), Windows (8), Windows (10)
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Message History:
None.
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Source Message Contents
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[Original Message Not Available for Viewing]
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